词典释义：
n.挖沟人；开渠工
The performance of soil Lateral throwing of the rotary-cultivated ditcher is a target for judging the working quality of a ditcher.
旋耕开沟机开沟作业的横向抛土性能是衡量开沟机作业质量的重要指标。
Watch for pedestrians是什么意思_Watch for pedestrians单词用法
The lesser of two evils是什么意思_The lesser of two evils单词用法
To know the reason why是什么意思_To know the reason why单词用法
a little progress是什么意思_a little progress单词用法
hydrostatic testing是什么意思_hydrostatic testing单词用法
on the foundation是什么意思_on the foundation单词用法
macrostructure是什么意思_macrostructure单词用法
computer monitor是什么意思_computer monitor单词用法
